<template>
  <div class="container">

  </div>
</template>

<script>
import * as THREE from 'three'
export default {
  data() {
    return {}
  },
  mounted() {
    console.log('learning in three');
    this.handleThree()
  },
  methods: {
    handleThree() {
      const renderer = new THREE.WebGLRenderer();
      renderer.setSize( window.innerWidth, window.innerHeight );
      document.body.appendChild( renderer.domElement );

      const camera = new THREE.PerspectiveCamera( 45, window.innerWidth / window.innerHeight, 1, 500 );
      camera.position.set( 0, 0, 100 );
      camera.lookAt( 0, 0, 0 );

      const scene = new THREE.Scene();
      const material = new THREE.LineBasicMaterial( { color: 0x0000ff } );
      const points = [];
      points.push( new THREE.Vector3( - 10, 0, 0 ) );
      points.push( new THREE.Vector3( 0, 10, 0 ) );
      points.push( new THREE.Vector3( 10, 0, 0 ) );

      const geometry = new THREE.BufferGeometry().setFromPoints( points );
      const line = new THREE.Line( geometry, material );
      scene.add( line );
      renderer.render( scene, camera );
    }
  }
}
</script>

<style>

</style>